styles.css

body {
    height: 100%;
    position: relative;
    display: grid;
    grid-template-columns: 1fr 200px 200px 1fr;
    grid-template-rows: 1fr 40px 200px 200px 1fr;
    margin: 0;
    padding: 0;
}

div#main-body {
    display: grid;
    grid-column: 2/4;
    grid-row: 3/5;
    height: 100%;
    grid-template-columns: repeat(16, 1fr);
    grid-template-rows: repeat(16, 1fr);
    background-color: darkgray;
}

#inputContainer {
    display: grid;
    height: 100%;
    width: 100%;
    grid-column: 2/4;
    grid-row: 1/2;
    justify-self: center;
    
}

input {
    width: 70px;
    border: 1px solid #dfe1e5;
    border-radius: 25px;
    text-align: center;
}

button {

}

.grids {
    position: relative;
    background-color: rgb(88, 168, 88);
}

.hovering {
    background-color: white;
}